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Finding the Fourth Proportional to 199,237.60, 299,019.60 and 197,682.40

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Solution

The fourth proportional to 199,237.60, 299,019.60 and 197,682.40 is: 296,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,237.60 : 299,019.60 = 197,682.40 : x
  2. Step 2: Convert to fraction form
    199,237.60/299,019.60 = 197,682.40/x
  3. Step 3: Cross multiply
    199,237.60x = 299,019.60 × 197,682.40
  4. Step 4: Simplify right side
    199,237.60x = 59,110,912,175.04
  5. Step 5: Solve for x
    x = 59,110,912,175.04/199,237.60
  6. Step 6: Final answer
    x = 296,685.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.